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A polar bear and its cub in Arctic National Wildlife Refuge, Alaska.
slideshow

Celebrating Marine Moms

The ocean is home to many moms of all shapes and sizes: from charismatic polar...
Wed, 04/24/2013 - 17:29
Two California market squids mate in the waters off of California's Channel Islands.
Photo

California Market Squid

Two California market squids (Loligo opalescens) mate in the waters off of...
Seahorse couples (such as these Hippocampus histrix) greet each other every morning with a unique dance that sometimes involves changing color. The couple promenades and pirouettes together for several minutes before separating for the rest of the day. The
Photo

Dancing Seahorse Pairs

Seahorse couples, such as this pair of thorny seahorses (Hippocampus...
Two thorny seahorses sit back to back underwater.
Photo

Seahorse Lovebirds

Most wild seahorses (here the thorny seahorse Hippocampus histrix) are...
A male short-snouted seahorse with a pouch full of eggs.
Photo

A Pregnant Seahorse

Instead of females, male seahorses carry the developing seahorse embryos in a...
This close-up view of salps, which have aggregated together into a long chain, have brilliant red guts from eating red plankton.
Photo

Close-up View of Salps

This close-up view of salps, which have aggregated together into a long chain, have...
Throughout their lifecycle, jellyfish take on two different body forms: medusa and polyps. Polyps can reproduce asexually by budding, while medusae spawn eggs and sperm to reproduce sexually.
Photo

Jellyfish Lifecycle and Reproduction

Throughout their lifecycle, jellyfish take on two different body forms: medusa and...
This purple urchin Paleopneustes cristatus is seldom seen by itself, and can be found in groups of hundreds.
Photo

Purple Sea Urchin

This purple urchin Paleopneustes cristatus is seldom seen by itself, and...
Snapping shrimp queen with eggs.
Photo

Snapping Shrimp Queen with Eggs

This snapping shrimp female (Synalpheus regalis) is the queen of her colony which...
Chrysaora melanaster is a jellyfish found in the Arctic.
overview

Jellyfish and Comb Jellies

Jellyfish and comb jellies are gelatinous animals that drift through the ocean's...
April 2018
Even when a lobster is still a developing egg, you can see some of its adult features: an eye and legs.
Photo

Lobster Egg

Even when a lobster is still a developing egg, you can see some of its adult...
White abalone
Photo

White Abalone In Danger

White abalones are slow-moving, algae-eating mollusks. Rapid overharvesting since...

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